Chinese Language Stack Exchange is a question and answer site for students, teachers, and linguists wanting to discuss the finer points of the Chinese language. It's 100% free, no registration required.

Both are adv. 最 is used in superlative and 真 as an intensifier of adj.
I think the example given above 我最喜欢去组约 should be translated by 'I like visiting NY the best (than the other places)' and 'I'd really like to go to New York.' means 我很*想要*喜欢去，which signifies a non realized event in the future with the will of person named by the subject 'I'.